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Adding cornflour to water is a physical change. The reason this process is classified as such is that it does not change the chemical identities of the substances involved, which is the criterion for a process to be considered a chemical reaction. Technically, the cornflour would slowly hydrolyze in water, which would be a chemical reaction.
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Is cornflour and water reversible?
Yes it is. This is a physical reaction (this means no new substance has been formed), most physical reactions are easily reversed. A glass sinter filter would be able to separate out the cornflour from the water.
Is it a physical change chemical change when salt dissolves in water?
Physical
Is separation of water and gasoline a physical change?
No, it is a physical change. The water and gasoline retain their chemical and physical properties.
Is evaporating water a physical change or a chemical change?
When water evaporates, it is a physical change.You must understand that water can be in any one of three PHYSICAL states, liquid, solid or vapor ( a gas ).Changing physical states is not a chemical change, but a direct result of heat or cold application.
Solid forms into dissolved water is a chemical or physical change?
Dissolving in water is a physical change.
Why is slime made up of cornflour a physical change?
Slime made from cornflour is considered a physical change because the process of mixing cornflour with water creates a new texture and consistency without altering the chemical composition of the cornflour itself. When combined, the cornflour absorbs water and forms a viscous mixture, but the individual components remain chemically unchanged. This change is reversible, as the slime can be separated back into its original ingredients by drying or adding more water.
Is cornflour and water reversible?
Yes it is. This is a physical reaction (this means no new substance has been formed), most physical reactions are easily reversed. A glass sinter filter would be able to separate out the cornflour from the water.
Whats stickier flour and water or cornflour and water?
cornflour and water
Is it a physical change chemical change when salt dissolves in water?
Physical
When water is boiled is it a chemical or physical change?
Boiling is a physical phenomenon, a change of phase.
Is water absorbed by a paper towel a physical or chemical change?
It is a physical change.
Is separation of water and gasoline a physical change?
No, it is a physical change. The water and gasoline retain their chemical and physical properties.
Is condesning water a chemical or physical change?
Condensation of water is a physical change.
Is boliling water a chemical or physical change?
Boiling water is a physical change because it does not change the chemical composition of the water.
Salt dissoved in water physical or chemical change?
Dissolving in water is a physical change.
Suger dissloves in water a physical or chemical change?
Dissolving in water is a physical change.
Is combining water and salt physical or chemical change?
Dissolving in water is a physical change.
